Fastening device for percolator tops



Oct. 2, 1934. I w BlLLERMAN 1,975,498

FASTENJING DEVICE FOR PERCOLATOR TOPS Filed April 4, 1950 Patented Oct. 2, 1934 1,975,498

FASTENING DEVICE FOR PERCOLATOR TOPS William G. Billerman, Newark, N. J.

Application April 4, 1930, Serial No. 441,457

4 Claims. (01. 533) This invention relates to an improved means I claim:- for securing the glass tops on the lids of coffee 1. The combination of a lid having an opening percolators. with a downwardly turned edge, a top adapted to The article is a simple band of metal which is rest on said lid and having a flange projecting 5 placed around the flange of the top that projects through the opening and having a projection on down through the lid and is turned to engage the flange, with a non-resilient continuous ring the lugs on the flange. The band engages the having a locking part to engage the projection bottom surface of the lid and holds the top against to force the top into close contact with the upper rattling and against accidental dropping out face of the lid and force the upper edge of the 1 when the post is tilted. The article can be quickring in close contact with the bottom face of the 1y attached or removed and is adapted for securlid. ing the top firmly in place irrespective of the 2. The combination of a lid having an opening slight difierences that exist in the space between with downwardly turned edges, a top having an the lugs on the top and the under-face of the lid. annular bead to rest on the top face of said edge The invention is illustrated in the accompanyand having a flange projecting through the open- 76 ing drawing in which Figure 1 is a section of a lid ing, the top having a projection at the bottom and the top with the fastener in position. Figure of the flange, the edge of the opening having a 2 is a bottom view of the part shown in Figure 1, notch to allow the passage of the projection, with and Figure 3 is a side View of the fastener. Figure a band surrounding said flange and having a 4 is a perspective view of a modified form of fasthread to engage the projection to cause the top tener. edge of the band to engage the bottom face of The top is shown at 10 and the lid is represented the lid and to cause the bead on the top toenat 11. The top is of the usual kind with a flange gage the top face of the lid.

12 that extends through an opening in the lid and 3. The combination of a lid having an opening the flange a S a l p oje tio s 3 Wh ch a e with downwardly turned edges, a top having an 8*?) passed through the recesses or notches 14 at the annular bead to rest on the top face of said edge edges of the opening in the lid when the flange and having a flange projecting through the openiS passed through the p ge p i tur d ing, the top having a projection at the bottom of to clear the notches after assembly. the flange, the edge of the opening having a The lid is made of soft metal and the turned notch to allow the passage of the projection, with P y crimped edge 15 0 t lid m t es a non-resilient continuous band surrounding said becomes t, the p fits l s and is apt to flange and having means co-operating with the fall out when the pot is tilted in pouring. projection to cause the band to engage the bot- T0 lock the D in p to ce the ed e 15 tom face of the lid With its top edge and to cause n m a i ht r j int betwe n he t p and the the bead on the top to engage the top face of so under surface of the lid I provide a band 16 which the 11d,

is turned on the flange l2 and holds it against 4. In a percolator cover, the combination with rotation and removal and locks the top in place. a lid having an opening therein for receiving a The band is provided, in one form with threads 17 glass percolator top, of means on said top for lim- 40 which are Screwed 011 the Small p j c o 3 iting the movement of said top into the opening 0f h fl T ew thre 17 may be a and having a stud on the portion projecting double thread or it may b a in e hr ad wi h through the top, and a continuous screw-thread e pitch to enable it to engage b t p ojections 13. band fitting said projecting part with its thread W Screwedp' tightly the a d firmly seats fitting the stud whereby the band when screwed t e dome against d, the bead 13 tightly on tightly holds the parts in close contact. gaging the crimped part 15 and the band itself firmly engaging the crimped edge 15, thus form- WILLIAM G. BILLERMAN.

ing another seal and also bracing the crimped edge and thus preventing rattling. 50 Another form of band is shown in Figure 4 in which form the bayonet slots 19 are formed in the band, the part 20 being slightly inclined to force the parts tightly together.

This band is simple to install and is an eco-- 55 nomical means of fastening the top in place. 

